diff --git a/app/mix/dao/mongo.go b/app/mix/dao/mongo.go
index 84dcb2a9..598c8493 100644
--- a/app/mix/dao/mongo.go
+++ b/app/mix/dao/mongo.go
@@ -3863,7 +3863,7 @@ func (m *Mongo) GetZoneByMid(ctx *gin.Context, mid int64) (*dbstruct.Zone, error
 	zone := &dbstruct.Zone{}
 	col := m.getColZone()
 	query := qmgo.M{
-		"id":       mid,
+		"mid":      mid,
 		"del_flag": 0,
 	}
 	err := col.Find(ctx, query).One(&zone)